What is the Greatest Common Factor of 74145 and 74156?

Greatest common factor (GCF) of 74145 and 74156 is 1.

GCF(74145,74156) = 1

We will now calculate the prime factors of 74145 and 74156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74145 and 74156.

How to find the GCF of 74145 and 74156?

We will first find the prime factorization of 74145 and 74156. After we will calculate the factors of 74145 and 74156 and find the biggest common factor number .

Step-1: Prime Factorization of 74145

Prime factors of 74145 are 3, 5, 4943. Prime factorization of 74145 in exponential form is:

74145 = 3¹ × 5¹ × 4943¹

Step-2: Prime Factorization of 74156

Prime factors of 74156 are 2, 18539. Prime factorization of 74156 in exponential form is:

74156 = 2² × 18539¹

Step-3: Factors of 74145

List of positive integer factors of 74145 that divides 74145 without a remainder.

1, 3, 5, 15, 4943, 14829, 24715

Step-4: Factors of 74156

List of positive integer factors of 74156 that divides 74145 without a remainder.

1, 2, 4, 18539, 37078

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74145 and 74156. The biggest common factor number is the GCF number.
So the greatest common factor 74145 and 74156 is 1.

Also check out the Least Common Multiple of 74145 and 74156